Are1to30 Numbers or names arrays or references that contain Numbers for which you want the harmonic mean!
用来计算调和平均数的1到30个数值，或者是涉及数字的名称、数组或引用！
2
The two Numbers together, neither noble and harmonic and auspicious, it is the symbol of the emperor.
这两个数字组合在一起，既尊贵又调和，无比吉祥，实在是帝王最恰当的象征。
3
The self-similar measure has been studied since 1930's, revealing connections with harmonic analysis, the theory of algebraic numbers, dynamical systems and Hausdorff dimension estimation.